ICD-10-CM · Chapter 12 · L00-L99
L43 Lichen planus
Excludes 1 (cannot be coded together)
- lichen planopilaris (L66.1-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| L43..0 | Hypertrophic lichen planus | Yes |
| L43..1 | Bullous lichen planus | Yes |
| L43..2 | Lichenoid drug reaction | Yes |
| L43..3 | Subacute (active) lichen planus | Yes |
| L43..8 | Other lichen planus | Yes |
| L43..9 | Lichen planus, unspecified | Yes |
Last reviewed: September 2026